osv-2021-1230
Vulnerability from osv_ossfuzz
Published
2021-09-12 00:00
Modified
2022-04-13 03:32
Summary
UNKNOWN READ in helper_ret_stb_mmu_x86_64
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38438

Crash type: UNKNOWN READ
Crash state:
helper_ret_stb_mmu_x86_64
resume_all_vcpus_x86_64
vm_start_x86_64
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "severity": "MEDIUM"
      },
      "package": {
        "ecosystem": "OSS-Fuzz",
        "name": "unicorn"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "5bf6d77e4ee258c67c2d7ead94cf266a7b9773e7"
            },
            {
              "fixed": "3fadb5aa5aad22926f5f816dbe396f8661990374"
            }
          ],
          "repo": "https://github.com/unicorn-engine/unicorn.git",
          "type": "GIT"
        }
      ],
      "versions": [
        "1.0.2",
        "1.0.2-rc1",
        "1.0.2-rc2",
        "1.0.2-rc3",
        "1.0.2-rc4",
        "1.0.2-rc5",
        "1.0.2-rc6",
        "1.0.3",
        "2.0.0-rc1",
        "2.0.0-rc2",
        "2.0.0-rc3",
        "2.0.0-rc4",
        "2.0.0-rc5",
        "2.0.0-rc5.post1"
      ]
    }
  ],
  "details": "OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38438\n\n```\nCrash type: UNKNOWN READ\nCrash state:\nhelper_ret_stb_mmu_x86_64\nresume_all_vcpus_x86_64\nvm_start_x86_64\n```\n",
  "id": "OSV-2021-1230",
  "modified": "2022-04-13T03:32:30.819169Z",
  "published": "2021-09-12T00:00:11.430175Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=38438"
    }
  ],
  "summary": "UNKNOWN READ in helper_ret_stb_mmu_x86_64"
}


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Sightings

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.